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The correct statement among the following is :
At S.T.P. the density of $\text{CCl}_4$ vapour in $\text{g/L}$ will be nearest to:
The most preferred structure among the following with the lowest energy for $SO_{3}$ is:
The dipole moment of compound AB is 10.92 D and that of compound CD is 12.45 D. If the bond length of AB is 2.72 $\text{\AA}$ and that of CD is 2.56 $\text{\AA}$, then for these compounds the correct statement is:
A compound among the following that is least likely to behave as a Lewis base is:
Calculate the mass of 95% pure $CaCO_3$ that will be required to neutralize 50 mL of 0.5 M HCl solution according to the following reaction: $$ CaCO_3(s) + 2HCl(aq) \rightarrow CaCl_2(aq) + CO_2(g) + 2H_2O(l) $$ [Calculate up to the second place of decimal point]
The molar mass of a compound (X), whose $2.6 \text{ mol}$ weighs $312 \text{ g}$, is:
Calculate the mole fraction of the solute in a $1.00 \text{ m}$ aqueous solution.
Which of the following is the most basic oxide?
A compound X contains 32% of A, 20% of B and remaining percentage of C. Then, the empirical formula of X is: (Given atomic mass of A = 64; B = 40; C = 32 u)
When $50\text{ mL}$ of a $16.9\%\text{ (w/v)}$ solution of $\text{AgNO}_3$ is mixed with $50\text{ mL}$ of $5.8\%\text{ (w/v) NaCl}$ solution, then the mass of precipitate formed is: ($\text{Ag} = 107.8$, $\text{N} = 14$, $\text{O} = 16$, $\text{Na} = 23$, $\text{Cl} = 35.5$)
Identify the incorrect statement among the following:
The density of a $2 \text{ M}$ aqueous solution of $NaOH$ is $1.28 \text{ g/cm}^3$. The molality of the solution is: [molecular mass of $NaOH = 40 \text{ g mol}^{-1}$]
How many moles of lead (II) chloride will be formed from a reaction between $6.5\text{ g}$ of $\text{PbO}$ and $3.2\text{ g}$ of $\text{HCl}$?
Which of the following is a polar molecule?
The complex, $[\text{Pt}(\text{Py})(\text{NH}_3)\text{BrCl}]$ will have how many geometrical isomers?
Select the correct sequence for transport of sperm cells in male reproductive system.
If the Avogadro number $N_A$, is changed from $6.022 \times 10^{23} \text{ mol}^{-1}$ to $6.022 \times 10^{20} \text{ mol}^{-1}$ this would change:
A molecule/ion among the following species that does not exist under normal conditions is:
For the reaction $\text{C}_2\text{H}_5\text{OH}(l) + 3\text{O}_2(g) \rightarrow 2\text{CO}_2(g) + 3\text{H}_2\text{O}(l)$ which one is true?