1
WB JEE 2017
MCQ (More than One Correct Answer)
+2
-0
Change Language
The major product(s) obtained form the following reaction of 1 mole of hexadeuteriobenzene is/are

WB JEE 2017 Chemistry - Carbonyl Compounds Question 1 English
A
WB JEE 2017 Chemistry - Carbonyl Compounds Question 1 English Option 1
B
WB JEE 2017 Chemistry - Carbonyl Compounds Question 1 English Option 2
C
WB JEE 2017 Chemistry - Carbonyl Compounds Question 1 English Option 3
D
WB JEE 2017 Chemistry - Carbonyl Compounds Question 1 English Option 4
2
WB JEE 2017
MCQ (More than One Correct Answer)
+2
-0
The conversion of CH3 $$-$$ CH2 $$-$$ COOH to

WB JEE 2017 Chemistry - Carboxylic Acids and Amines Question 8 English
can be accomplished by
A
SOCl2, LiAlH4, ethylene glycol.
B
SOCl2, KMnO4, NH2NH2
C
SnCl2, HCl, Na2SO3
D
HCl, SnCl2 ethylene glycol
3
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
The number of all numbers having 5 digits, with distinct digits is
A
99999
B
$$9 \times {}^9{P_4}$$
C
$${}^{10}{P_5}$$
D
$${}^9{P_4}$$
4
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
The greatest integer which divides $$(p + 1)(p + 2)(p + 3)...(p + q)$$ for all $$p \in N$$ and fixed $$q \in N$$ is
A
p!
B
q!
C
p
D
q
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