Arrange in the order of increasing basic character (NO_2, K_2O, Z… - Vidyadip

Question

Arrange in the order of increasing basic character $(NO_2, K_2O, ZnO)$

✓

Answer

a
$SiO_2$ is a giant covalent molecule with regular $3-D$ tetrahedral shape.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

The most stable carbonium ion among the following is

Which of following is amphoteric

The ratio of two of the first four Bohr’s orbits of the hydrogen atom are in the ratio $1 : 4$ The energy difference between them may be

Two solutions of $KNO_3$ and $CH_3COOH$ are prepared separately. Molarity of both is $0.1\, M$ and osmotic pressures are $P_1$ and $P_2$ respectively. The correct relationship between the osmotic pressures is :-

$0.3\,g$ of ethane undergoes combustion at $27^{\circ}\,C$ in a bomb calorimeter. The temperature of calorimeter system (including the water) is found to rise by $0.5^{\circ}\,C$. The heat evolved during combustion of ethane at constant pressure is $.......kJ\,mol { }^{-1}$.

(Nearest integer)

[Given : The heat capacity of the calorimeter system is $20\, kJ\, K ^{-1}, R =8.3\, JK ^{-1}\, mol ^{-1}$.

Assume ideal gas behaviour.

Atomic mass of $C$ and $H$ are $12$ and $1\, g\, mol ^{-1}$ respectively]

Highest stable $Mn$ fluoride is $MnF_4$ where as highest $Mn$ oxide is $Mn_2O_7$ due to

From the following thermochemical equations, find out the heat of ionisation $Z$ for a weak acid $HA$

$HA \to A^-+ H^+$ , $\Delta H = Z$
$H^+ + OH^-\to H_2O$, $\Delta H = X$
$HA + OH^-\to A^-+ H_2O$, $\Delta H = Y$

The adduct of the compound $'A'$ obtained by the reaction with excess of isopropyl magnesium iodide, upon hydrolysis gives a tertiary alcohol. The compound $'A'$ is

Equimolal solution of nonelectrolyte in the same solvent have

Glucose molecule reacts with $X$ number of molecules of phenylhydrazine to yield osazone. The value of $X$ is