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Tricks on chemistry for neet PDF Download
Tricks on colour of ions (d block elements) 
Some more formulae regarding chemistry
Ncert exempler solutions for d and f block
Multiple Choice Questions
Single Correct Answer Type
Question 1. Electronic configuration of a transition element X in 3 oxidation state is [Ar] 3d5. What is its atomic number?
(a) 25 (b) 26 (c) 27 (d) 24
Solution:
Question 2. The electronic configuration of Cu(II) is 3d9 whereas that of Cu(I) is 3d10. Which of the following is correct?
(a) Cu(II) is more stable .
(b) Cu(II) is less stable
(c) Cu(I) and Cu(II) are equally stable
(d) Stability of Cu(I) and Cu(I) depends on nature of copper salts.
Solution: (a) Cu(II) is more stable due to greater effective nuclear charge of Cu(II).
Question 3. Metallic radii of some transition elements are given below. Which of these elements will have highest density?
Solution: (d) On moving left to right along period, metallic radius decreases while mass increases. Decreases in metallic radius coupled with increase in atomic mass results in increase in density of metal.
Hence, among the given four choices Cu belongs to right side of Periodic Table in transition metal, and it has the highest density (89 g/cm3).
Question 4. Generally, transition elements form coloured salts due to the presence of unpaired electrons. Which of the following compound will be coloured in solid state?
(a) Ag2SO4 (b) CUF2 (c) ZnF2 (d) Cu2Cl2
Solution: (b) Cu2 has 1 unpaired electron in CuF2, hence, it is coloured in solid state.
Question 5. On addition of small amount of KMnO4 to concentrated H2SO4, a green oily compound is obtained which is highly explosive in nature. Identify the compound from the following:
(a) Mn2O7 (b) MnO2 (c) MnSO4 (d) Mn2O3
Solution: (a) 2KMnO4 2H2SO4(Conc ) –> Mn2O7 2KHSO4 H2O
Question 6. The magnetic nature of elements depend on the presence of unpaired electrons. Identify the configuration of transition element, which shows the highest magnetic moment.
(a) 3d7 (b) 3d5 (c) 3d8 (d) 3d2
Solution: (b) The greater the number of unpaired electron, the higher will be its value of magnetic moment. Since, 3d5 has 5 unpaired electrons hence highest magnetic moment.
FAQs on Tricks on chemistry for neet
| 1. What are some important tricks for studying chemistry for the NEET exam? |  |
Ans. Some important tricks for studying chemistry for the NEET exam include:
- Understanding the basic concepts and principles thoroughly before moving on to advanced topics.
- Creating a study schedule and sticking to it to ensure regular practice and revision.
- Making concise notes and summarizing key points for quick revision.
- Solving previous years' question papers and sample papers to familiarize yourself with the exam pattern and types of questions asked.
- Taking regular breaks during study sessions to avoid burnout and maintaining a healthy balance between study and relaxation.
| 2. How can I improve my problem-solving skills in chemistry for the NEET exam? | |
Ans. To improve problem-solving skills in chemistry for the NEET exam, you can follow these strategies:
- Practice regularly by solving a variety of numerical problems from textbooks, reference books, and online resources.
- Understand the underlying concepts behind each problem and try to relate them to real-life examples.
- Break down complex problems into smaller steps and solve them systematically.
- Seek help from teachers, mentors, or online forums for clarifying doubts and understanding different problem-solving approaches.
- Review and analyze your mistakes while solving problems to identify areas of improvement and avoid repeating them in the future.
| 3. What are some effective ways to memorize chemical reactions for the NEET exam? | |
Ans. Memorizing chemical reactions for the NEET exam can be made easier by following these tips:
- Create flashcards or mnemonic devices to associate reaction names or components with visual or verbal cues.
- Break down reactions into smaller parts and understand the mechanism behind each step.
- Practice writing the reactions multiple times to reinforce memory.
- Relate reactions to real-life examples or applications to make them more relatable and memorable.
- Revise regularly by reviewing flashcards, solving practice questions, and discussing reactions with peers or teachers.
| 4. How can I effectively prepare for the organic chemistry section of the NEET exam? | |
Ans. To effectively prepare for the organic chemistry section of the NEET exam, you can consider the following strategies:
- Understand the basic principles and concepts of organic chemistry, such as functional groups, reaction mechanisms, and nomenclature.
- Focus on key topics like hydrocarbons, alcohols, carbonyl compounds, and biomolecules, as they are frequently asked in the exam.
- Practice drawing organic structures and reaction mechanisms to enhance visual understanding.
- Solve a variety of organic chemistry problems from textbooks and previous years' question papers to familiarize yourself with different types of questions.
- Seek guidance from teachers or online resources for clarifying doubts and understanding complex topics.
| 5. How can I effectively utilize the periodic table while studying chemistry for the NEET exam? | |
Ans. The periodic table is a valuable tool while studying chemistry for the NEET exam. Here are some effective ways to utilize it:
- Familiarize yourself with the periodic trends, such as atomic radius, ionization energy, electronegativity, and reactivity, which can help in understanding the properties of elements and their compounds.
- Use the periodic table to identify the group and period of elements, which can provide information about their electronic configuration and chemical behavior.
- Memorize the symbols, atomic numbers, and atomic masses of commonly asked elements to save time during calculations and answering questions.
- Understand the periodicity in chemical properties and reactions by observing the patterns and trends in the periodic table.
- Practice solving questions that require knowledge of the periodic table, such as predicting the properties of elements or balancing chemical equations.
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