1
WB JEE 2017
MCQ (Single Correct Answer)
+2
-0.5
Change Language
In a close-packed body-centred cubic lattice of potassium, the correct relation between the atomic radius (r) of potassium and the edge-length (a) of the cube is
A
$$r = {a \over {\sqrt 2 }}$$
B
$$r = {a \over {\sqrt 3 }}$$
C
$$r = {{\sqrt 3 } \over 2}a$$
D
$$r = {{\sqrt 3 } \over 4}a$$
2
WB JEE 2017
MCQ (Single Correct Answer)
+2
-0.5
Change Language
Which of the following solutions will turn violet when a drop of lime juice is added to it?
A
A solution of NaI
B
A solution mixture of KI and NaIO3
C
A solution mixture of NaI and KI
D
A solution mixture of KIO3 and NaIO3
3
WB JEE 2017
MCQ (Single Correct Answer)
+2
-0.5
Change Language
The reaction sequence given below given product R.

WB JEE 2017 Chemistry - Carboxylic Acids and Amines Question 7 English
The structure of the product R is
A
WB JEE 2017 Chemistry - Carboxylic Acids and Amines Question 7 English Option 1
B
WB JEE 2017 Chemistry - Carboxylic Acids and Amines Question 7 English Option 2
C
WB JEE 2017 Chemistry - Carboxylic Acids and Amines Question 7 English Option 3
D
WB JEE 2017 Chemistry - Carboxylic Acids and Amines Question 7 English Option 4
4
WB JEE 2017
MCQ (Single Correct Answer)
+2
-0.5
Change Language
Reduction of the lactol S WB JEE 2017 Chemistry - Alcohol and Ether Question 3 English with sodium borohydride gives
A
WB JEE 2017 Chemistry - Alcohol and Ether Question 3 English Option 1
B
WB JEE 2017 Chemistry - Alcohol and Ether Question 3 English Option 2
C
WB JEE 2017 Chemistry - Alcohol and Ether Question 3 English Option 3
D
WB JEE 2017 Chemistry - Alcohol and Ether Question 3 English Option 4
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