NEET 2018

173 Questions • 180 Minutes • 2018

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Q161
The solubility of $BaSO_4$ in water is $2.42 \times 10^{-3}$ $gL^{-1}$ at 298 K. The value of its solubility product ($K_{sp}$) will be (Given molar mass of $BaSO_4$ = 233 g $mol^{-1}$)
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Q162
In which case is the number of molecules of water maximum ?
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Q163
The correct difference between first- and second-order reactions is that
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Q164
Among $CaH_2$, $BeH_2$, $BaH_2$, the order of ionic character is
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Q165
For the redox reaction $MnO_4^- + C_2O_4^{2-} + H^+ \rightarrow Mn^{2+} + CO_2 + H_2O$ the correct coefficients of the reactants for the balanced equation are [table] Option | $MnO_4^-$ | $C_2O_4^{2-}$ | $H^+$ ; (1) | 2 | 16 | 5 ; (2) | 2 | 5 | 16 ; (3) | 16 | 5 | 2 ; (4) | 5 | 16 | 2 [/table]
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Q166
Which one of the following conditions will favour maximum formation of the product in the reaction, $A_2(g) + B_2(g) \rightleftharpoons X_2(g)$ $\Delta_rH = -X$ kJ ?
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Q167
When initial concentration of the reactant is doubled, the half-life period of a zero order reaction
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Q168
The bond dissociation energies of $X_2$, $Y_2$ and XY are in the ratio of 1 : 0.5 : 1. $\Delta H$ for the formation of XY is -200 kJ $mol^{-1}$. The bond dissociation energy of $X_2$ will be
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Q169
The correction factor 'a' to the ideal gas equation corresponds to
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Q170
Consider the following species : $CN^+$, $CN^-$, NO and CN Which one of these will have the highest bond order ?
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Q171
Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is $1s^2 2s^2 2p^3$, the simplest formula for this compound is
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Q172
Iron exhibits bcc structure at room temperature. Above 900°C, it transforms to fcc structure. The ratio of density of iron at room temperature to that at 900°C (assuming molar mass and atomic radii of iron remains constant with temperature) is
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Q173
Which one is a wrong statement ?
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Paper Info
  • Exam: NEET
  • Year: 2018
  • Questions: 173
  • Duration: 180 mins
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