1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following carbocations is expected to be most stable?
A
NEET 2018 Chemistry - Some Basic Concepts of Organic Chemistry Question 40 English Option 1
B
NEET 2018 Chemistry - Some Basic Concepts of Organic Chemistry Question 40 English Option 2
C
NEET 2018 Chemistry - Some Basic Concepts of Organic Chemistry Question 40 English Option 3
D
NEET 2018 Chemistry - Some Basic Concepts of Organic Chemistry Question 40 English Option 4
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following elements is unable to form MF63– ion?
A
Ga
B
Al
C
B
D
In
3
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following molecules represents the order of hybridisation sp2 , sp2 , sp, sp from left to right atoms?
A
HC $$ \equiv $$ C — C $$ \equiv $$ CH
B
CH2 = CH — C $$ \equiv $$ CH
C
CH2 = CH — CH = CH2
D
CH3 — CH = CH — CH3
4
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the metal ions given in Column I with the spin magnetic moments of the ions given in Column II and assign the correct code :
Column - I Column - II
A. Co3+ (i) $$\sqrt 8 $$ B.M.
B. Cr3+ (ii) $$\sqrt {35} $$ B.M.
C. Fe3+ (iii) $$\sqrt 3 $$ B.M.
D. Ni2+ (iv) $$\sqrt {24} $$ B.M.
(v) $$\sqrt {15} $$ B.M.
A
A B C D
(iv) (v) (ii) (i)
B
A B C D
(i) (ii) (iii) (iv)
C
A B C D
(iv) (i) (ii) (iii)
D
A B C D
(iii) (v) (i) (ii)