MCQ
Among the following oxides, which has the maximum lattice energy?
- ✓$MgO$
- B$CaO$
- C$SrO$
- D$BaO$
✓
Answer
Correct option: A.
$MgO$
a
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
How many isomers have the name bromomethylcyclopentane ? (ignoring chirality)
Given below are two statements :
→Statement $I$: Nitration of benzene involves the following step -
(Image)
Statement $II$: Use of Lewis base promotes the electrophilic substitution of benzene.
In the light of the above statements, choose the most appropriate answer from the options given below:
A solution of $500\,ml$ of $0.2\,M\,KOH$ and $500\,ml$ of $0.2\,M\,HCl$ is mixed and stirred; the rise in temperature is ${T_1}$. The experiment is repeated using $250\,ml$ each of solution, the temperature raised is ${T_2}$. Which of the following is true
→For the reaction $CO_{(g)} + {H_2}O_{(g)}$ $\rightleftharpoons$ $C{O_2}_{(g)} + {H_2}_{(g)}$ at a given temperature, the equilibrium amount of $C{O_2}_{(g)}$ can be increased by
→Which of the following oxides will not give $O{H^ - }$ in aqueous solution
→Identify the major product of the following reaction
An organic compound $C_xX_YO_z$ on complete combustion provides equivolume of products $CO_2(g)$ and $H_2O(g)$ which is individually double the volume of organic compound taken. In the process volume of oxygen consumed is same as volume of $CO_2$ produced and liberated heat during combustion is $500 \ kcal/mole$ at constant pressure and at $500\ K$. Formula of organic compoun & $\Delta U$ for reaction will be -
→At $3000\, K$ the equilibrium pressures of $CO_2$, $CO$ and $O_2$ are $0.6$,$0.4 $ and $0.2$ atmospheres respectively. ${K_p}$ for the reaction, $2C{O_2}$ $\rightleftharpoons$ $2CO + {O_2}$ is
→$0.2\, g$ of an organic compound was subjected to estimation of nitrogen by Dumas method in which volume of $N _{2}$ evolved (at STP) was found to be $22.400 \,mL$. The percentage of nitrogen in the compound is $.......$. [nearest integer] (Given: Molar mass of $N _{2}$ is $28\, mol ^{-1}$. Molar volume of $N _{2}$ at STP : $22.4\, L$ )
→The $pH$ of a $0.02\,M\,\,NH_4Cl$ solution will be [given $K_b\,(NH_4OH) = 10^{-5}$ and $log\,2 = 0.301$ ]
→