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Select and write the correct alternative from the choices given below: An alkyl isocyanide on…
Select and write the correct alternative from the choices given below:
(i)[1.0]
An alkyl isocyanide on complete reduction gives:
- (a)Primary amine.
- (b)Secondary amine.
- (c)Tertiary amine.
- (d)Carboxylic acid.
(ii)[1.0]
For a spontaneous reaction $E^\circ_{\text{cell}}$ and $\Delta G^\circ$ will be respectively:
- (a)-ve and -ve
- (b)-ve and +ve
- (c)+ve and -ve
- (d)+ve and +ve
(iii)[1.0]
Which of the following pairs of transition elements have exceptional electronic configuration?
- (a)Sc and Cu
- (b)Fe and Ni
- (c)Cr and Cu
- (d)Mn and Zn
(iv)[1.0]
For a first order reaction, when $100\text{ g}$ of the reactant is taken, $75\text{ g}$ of the reactant reacts in 8 minutes. If $200\text{ g}$ of the same reactant is taken, in how much time $150\text{ g}$ of the reactant will react?
- (a)8 minutes
- (b)16 minutes
- (c)20 minutes
- (d)24 minutes.
Answer
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From ISC 2023 Specimen Chemistry Paper 1, question 1(B).