Question Text
Question 4 :
Maximum number of covalent bonds formed by N and P respectively are :
Question 6 :
Which one of the following elements does not form the compound, M$_{4}$ O$_{10}$ (M = element)?<br/><br/>
Question 9 :
Which of the following is an example of super octet molecule?
Question 11 :
Nitrogen form $N_2$, but phosphorous form $P_2$, it'sat a time convert in $P_4$, reason is : -
Question 12 :
Assertion: $H_{3}PO_{4}$ and $H_{3}PO_{3}$ both are present in fertilizers.
Reason: $H_{3}PO_{3}$ increases the solubility of fertilizers.
Question 15 :
Which of the following pairs is obtained on heating ammonium dichromate?
Question 16 :
Which of the following is correct about V group Hydrides (from ammonia to Bismuthine)<br/>
Question 17 :
Which of the following oxides of nitrogen are coloured in nature?
Question 23 :
In Nitrogen family the H-M-H angle in the hydrides $MH_{3}$ gradually becomes closer to $90^0$ on going from N to Sb. This shows that gradually :<br/>
Question 25 :
Assertion: Catenation tendency is weaker in nitrogen.
Reason: Nitrogen exits as diatomic gas.
Question 26 :
Which of the following halide of nitrogen is stable in nature?