Chemistry Test ...

In ___________, a reaction product is itself a catalyst for that reaction leading to positive feedback.

The reduction in atomic size with increase in atomic number is a characteristic of elements of:

_______ group elements are known as chalcogens.

Among the following the state function(s) is (are):

(i) Internal energy

(ii) Irreversible expansion work

(iii) Reversible expansion work

(iv) Molar enthalpy

The IUPAC name of \(CH _{3} COCH \left( CH _{3}\right)_{2}\) is:

The bond length between hybridised carbon atom and other carbon atom is minimum in:

Which of the following is a tridentate ligand?

\(R-C H=C R O^{-}+C H_{2}-N^{+} R_{2} \rightarrow N R_{2}-C H_{2}-C H R-C R O\)

The given reaction in an example of:

A first order reaction has the rate constant, \(\mathrm{k}=4.6 \times 10^{-3} \mathrm{~s}^{-1}\). The number of correct statement/s from the following is/are____________.

Given : \(\log 3=0.48\)

A. Reaction completes in \(1000 \mathrm{~s}\).

B. The reaction has a half-life of \(500 \mathrm{~s}\).

C. The time required for \(10 \%\) completion is 25 times the time required for \(90 \%\) completion.

D. The degree of dissociation is equal to \(\left(1-\mathrm{e}^{-\mathrm{kt}}\right)\).

E. The rate and the rate constant have the same unit.