1
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Consider the reaction,

C(s) + O$$_2$$(g) $$\rightarrow$$ CO$$_2$$(g) + 393.5 kJ

The signs of $$\Delta H,\Delta S$$ and $$\Delta G$$ respectively are

A
$$-$$, +, $$-$$
B
$$-$$, $$-$$, $$-$$
C
$$-$$, +, +
D
+, $$-$$, $$-$$
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The product formed when hydroxylamine condenses with a carbonyl compound is called

A
hydrazone
B
hydrazine
C
oxime
D
hydrazide
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Which of the following forms a colourless solution in aqueous medium?

A
Ti$$^{3+}$$
B
Sc$$^{3+}$$
C
V$$^{3+}$$
D
Cr$$^{3+}$$
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

An alkyl halide reacts with alcoholic ammonia in a sealed tube, the product formed will be

A
a primary amine
B
a secondary amine
C
a tertiary amine
D
a mixture of all the three
EXAM MAP