1. Solubility product of MQ3 \mathrm{MQ}_{3} MQ3 is 4.5×10−8 4.5 \times 10^{-8} 4.5×10−8
Define sigma bond,
Why is CO2 \mathrm{CO}_{2} CO2 non polar?
Calculate the solubility product of M2 N3 \mathrm{M}_{2} \mathrm{~N}_{3} M2 N3 if the solution of container-1 is saturated.
What is the minimum concentration of solution of container-2 for which precipitate of MQ3 \mathrm{MQ}_{3} MQ3 will form in the mixture of solution of container-1 and 2?
2.
Define isotope.
Why is the ionic product of water dependent on temperature?
Using three elements of the stem, show that all dblock elements are not transition element.
[Q(CN)6]4 \left[\mathrm{Q}(\mathrm{CN})_{6}\right]^{4} [Q(CN)6]4 diamagnetic but [Q(CN)6]3− \left[\mathrm{Q}(\mathrm{CN})_{6}\right]^{3-} [Q(CN)6]3− is paramagnetic-Analyze the reason.
3. Here, A, B, C and D are not conventional symbol.
What is vinegar?
Why is Hund's rule not applicable for Beryllium?
Explain the reason for higher boiling point of A2 B \mathrm{A}_{2} \mathrm{~B} A2 B than that of AC \mathrm{AC} AC.
Analyze the reason for the different value of bond angles of A2 B \mathrm{A}_{2} \mathrm{~B} A2 B and A2D \mathrm{A}_{2} \mathrm{D} A2D compound.
Disaccharide
→ \rightarrow →
Ethanol
Food preservative
Define atomic radius.
Why does the solubility of metal chloride decrease in HCl \mathrm{HCl} HCl solution?
Write the preparation of food preservative in the light of stem.
Explain the mechanism of action of the food preservative.
5. ………(n−1)d5ns1[n=4]……… (n-1) d^{5} n s^{1}[n=4] ………(n−1)d5ns1[n=4]
What is orbital hybridization?
Explain the necessity of using weak acid to prepare acidic buffer solution.
The electron configuration of the stem is exceptional-Explain.
Though the other quantum numbers are same but magnetic quantum numbers are different for the electrons existing in d sub-shell of the stem.-Analyze the statement.
Solubility product of 
Here, A, B, C and D are not conventional symbol.Here, A, B, C and D are not conventional symbol.