Total number of chloro derivatives possible for ethane is
(A) 6
(B) 7
(C) 8
( D) 9

(A) 7 (B) 8 (C) 6 (D) 9

Total number of chain isomers possible for C_(7)H_(16) are

= total number of di-chloro product s-2-chloro hexane

An n-digit number is a positive number with exactly n Nine hundred distinct n -digit numbers are to be formed using only the three digits 2,5, and 7. The smallest value of n for which this is possible is (a) 6 (b) 7 (c) 8 (d) 9

The total number of conformations of ethane is:

Total number of conformation of ethane is :

When a dice is thrown, the total number of possible outcomes is (a) 6 (b) 1 (c) 3 (d) 4

The largest digit in the number is 5 (b) 7 (c) 8 (d) 9