Which one of the following notations shows product incorrectly?

• ${}_{96}{}^{242}\mathrm{Cm} (\mathrm{\alpha }, 2\mathrm{n}) {}_{97}{}^{243}\mathrm{Bk}$

• ${}_5{}^{10}\mathrm{B} (\mathrm{\alpha }, \mathrm{n}) {}_7{}^{13}\mathrm{N}$

• ${}_7{}^{14}\mathrm{N} (\mathrm{n}, \mathrm{p}) {}_6{}^{14}\mathrm{C}$

• ${}_{14}{}^{28}\mathrm{Si} (\mathrm{d}, \mathrm{n}) {}_{15}{}^{29}\mathrm{P}$

Carbon-halogen bond is strongest among the following

• CH₃Cl

• CH₃Br

• CH₃F

• CH₃I

583.

In which of the following compounds, the chlorine atom is most easily substituted?

• Chlorobenzene 

• Vinyl chloride

• Allyl chloride

• p-chlorotoluene

Most stable ion is

• C₆H₅CH₂⁺

• (CH₃)₃-C⁺

• (CH₃)₂CH⁺

• CH₃CH₂⁺

Formation of 2-butene as major product by dehydration of 2-butanol is according to

• Markownikoff rule

• Saytzeff rule

• Peroxide effect

• Anti-Markownikoff rule

Ethane is formed by the reaction of methyl iodide and sodium metal in dry ether solution. This reaction is known as

• Clemmensen's reduction

• Kolbe's reaction

• Wurtz reaction

• Cannizaro's reaction

Which of the following does not contain chiral carbon atom?

• Lactic acid

• 2-chlorobutanoic acid

• Tartaric acid

• Succinic acid

Base catalysed aldol condensation occurs with

• benzaldehyde

• 2-methyl propionaldehyde

• 2, 2-dimethyl propionaldehyde

• None of the above

Product C is

The boiling points of three isomeric pentanes 1, 2 and 3 are

(1) 9.5°C
(2) 28°C
(3) 36°C
1, 2 and 3 are respectively

• n-pentane, iso-pentane, neo-pentane

• iso-pentane, neo-pentane, n-pentane

• n-pentane, neo-pentane, iso-pentane

• neo-pentane, iso-pentane, n-pentane