1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The correct order of boiling point in the following compounds is

A
$$\mathrm{HF}>\mathrm{H}_2 \mathrm{O}>\mathrm{NH}_3$$
B
$$\mathrm{H}_2 \mathrm{O}>\mathrm{HF}>\mathrm{NH}_3$$
C
$$\mathrm{NH}_3>\mathrm{H}_2 \mathrm{O}>\mathrm{HF}$$
D
$$\mathrm{NH}_3>\mathrm{HF}>\mathrm{H}_2 \mathrm{O}$$
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

$$\mathrm{XeF}_6$$ on partial hydrolysis gives a compound $$X$$, which has square pyramidal geometry '$$X$$' is

A
$$\mathrm{XeO}_3$$
B
$$\mathrm{XeO}_4$$
C
$$\mathrm{XeOF}_4$$
D
$$\mathrm{XeO}_2 \mathrm{F}_2$$
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

A colourless, neutral, paramagnetic oxide of nitrogen '$$P$$' on oxidation gives reddish brown gas $$Q$$. $$Q$$ on cooling gives colourless gas $$R$$. $$R$$ on reaction with $$P$$ gives blue solid $$S$$. Identify $$P, Q, R, S$$ respectively

A
$$\mathrm{N}_2 \mathrm{O}, \mathrm{NO}, \mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}_5$$
B
$$\mathrm{N}_2 \mathrm{O}, \mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}_4, \mathrm{~N}_2 \mathrm{O}_3$$
C
$$\mathrm{NO}, \mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}_4, \mathrm{~N}_2 \mathrm{O}_3$$
D
$$\mathrm{NO}, \mathrm{NO}, \mathrm{N}_2 \mathrm{O}_4, \mathrm{~N}_2 \mathrm{O}_5$$
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following does not represent property stated against it?

A
$$\mathrm{CO}^{2+}<\mathrm{Fe}^{2+}<\mathrm{Mn}^{2+}$$ - Ionic size
B
$$\mathrm{Ti}<\mathrm{V}<\mathrm{Mn}$$ - Number of oxidation states
C
$$\mathrm{Cr}^{2+}<\mathrm{Mn}^{2+}<\mathrm{Fe}^{2+}$$ - Paramagnetic behaviour
D
$$\mathrm{Sc}>\mathrm{Cr}>\mathrm{Fe}$$ - Density
EXAM MAP