Write the IUPAC name of
Glycol is added to aviation petrol because
Which of the following has more unpaired d-electrons?
The hormone that helps in the conversion of glucose to glycogen is
Which salt can be produced by the reaction of carbon monoxide and caustic soda (NaOH)?
The quantum numbers of an atom can be defined on the basis of
α-D-Glucose and β-D-glucose differ from each other due to the difference in one of the carbons with respect to its
The final product 'C' in the above reaction is
The structure of H₂O₂ is
The state of equilibrium refers to
The equilibrium constant in a reversible chemical reaction at a given temperature
Which of the following factors does not influence the rate of chemical reaction?
A foreign substance, that increases the rate of reaction, is called
Which of the following elements is/are not liquid at 30°C?
Ga (melting point 29.8 ° C), Hg (melting point -38.8 ° C) and Cs (melting point 28.5 ° C) elements are liquids at room temperature, whereas Ge is a solid with melting point 937.4° C.
Which pair of elements of atomic numbers given below will have similar chemical properties?
In the periodic table, the elements belong to the same group have similar chemical properties. Atomic number-3 (i.e. Li ) and atomic number-11 (i.e. Na ) belong to the same group (i.e. alkali metals), thus they have similar chemical properties.
For a process to be spontaneous
Which of the following ingredients is not used in sun burn creams?
Medicine which is an antibiotic is
cis and trans-2- betene are
Which of the following reactions actually take place?
The standard EMF of the cell Zn+Cu2⁺→Cu + Zn2⁺ is 1.10 V at 25°C. The EMF of the cell when 0.1 M Cu2⁺ and 0.1 M Zn2⁺ solutions are used will be
When CO₂ is bubbled through an aqueous solution of Na₂CO₃, the following is formed
Malachite is an ore of
Which of the following has the highest conductivity?
White enamel of our teeth is
Crude naphtha is a mixture of
on reductive ozonolysis yields
A metal which does not liberate H₂ (g) from acids is
Which of the following on reaction with H₂S does not produce metallic sulphide ?
A radioactive element has a half-life of 20 mins. How much time should elapse before the element is reduced to 1/8th of the original mass ?
Loss of a β-particle is equivalent to
Ethyl bromide on treatment with alcoholic KOH gives
Which of the following is the true statement?
If N and S elements are present in organic compounds, then during Lassaigne's test both change into
Aniline when diazotised in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be
Structure of ammonia is
Ammonium compound which on heating does not give NH₃ is
All the following decompose easily on heating to give oxygen except
Manganese dioxide does not decompose on heating to give O2
Which of the following statement is correct with respect to the property of elements with increase in atomic no. in the carbon family?
Bakelite is prepared by the reaction between
Which one of the following can be used as monomer in a polymerisation reaction?
The compound which could not act both as oxidising as well as reducing agent is
By increasing the temperature of a liquid, its vapour pressure
Which of the following liquid pair shows a positive deviation from Raoult's law?
Which of the following is hcp crystal structure?
Due to Frenkel defect, the density of ionic solids
Adsorption due to strong chemical forces is called
The first transition element is
In which one of the following transition metal complexes does the metal exhibit in zero oxidation state?
The oxidation state of Mo in ion is