Identity the Bronsted acid in the following equation : PO₄3⁻(aq) + H₂O(1) → HPO₄2⁻(aq) + OH⁻(aq)
Which among the following has most efficient overlap?
By passing H₂S gas in acidified KMnO₄, we get
A chloride dissolves appreciably in cold water. When placed on platinum wire in bunsen flame, no distinctive colour is noticed, the cation would be
The dark blue colour of the solution formed when excess of ammonia is added to a solution of copper (II) sulphate is due to the presence of the ion :
Calculate enthalpy of formation of ethylene from the following data:
In which reaction there is change in O.N. of N atom
Potassium has a bcc structure with nearest neighbour distance 4.52 Å. Its atomic weight is 39. Its density will be
The alkene that exhibits geometrical isomerism is
Among the following, the coloured compound is
In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the Statements carefully and mark the correct answer-
Assertion(A): According to VSEPR theory, there shall be minimum repulsions among lone pairs and bond pairs present in a molecule or ion.
Reason(R): I3− , has a linear structure.
The compound which reacts with HBr obeying Markownikeff's rule is
Which of the following applies to the reaction,
1. CH₃CH = CHCH₃(major product)
2. CH₂ = CH − CH₂CH₃(minor product)
Among the following compounds, which will react with acetone to give a product containing > C=N- ?
Aniline is reacted with Br2 ∕ OH− and the resulting product is treated with aqueous solution of NaNO2 in presence of dil.HCl. The compound so formed is converted into tetrafluoroborate which is subsequently heated and dried. The products formed during the reaction are
Which compounds react with PCl5 ?
Consider a chemical reaction,
2A + B → A2B . The reactant A will decrease at
The nuclear reactions accompanied with emission of neutron (s) are: