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Chemistry · PYQ NEET UG 2016(1)
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Chemistry · PYQ NEET UG 2016(1)
Lithium has a bcc structure. Its density is \( 530 \text{ kg m}^{-3} \) and its atomic mass is \( 6.94 \text{ g mol}^{-1} \). Calculate the edge length of a unit cell of lithium metal. \( (N_0 = 6.02 \times 10^{23} \text{ mol}^{-1}) \)
Read answer →Chemistry · PYQ NEET UG 2016(1)
The CORRECT statement regarding the basicity of arylamines is
Read answer →Chemistry · PYQ NEET UG 2016(1)
The ionic radii of \( A^{+} \) and \( B^{-} \) ions are \( 0.98 \times 10^{-10}\,\text{m} \) and \( 1.81 \times 10^{-10}\,\text{m} \). The coordination number of each ion in AB is:
Read answer →Chemistry · PYQ NEET UG 2016(1)
MY and \( \text{NY}_3 \), two nearly insoluble salts, have the same \( K_{\text{sp}} \) values of \( 6.2 \times 10^{-13} \) at room temperature. Which statement would be TRUE in regard to MY and \( \text{NY}_3 \)?
Read answer →Chemistry · PYQ NEET UG 2016(1)
In a protein molecule, various amino acids are linked together by
Read answer →Chemistry · PYQ NEET UG 2016(1)
The product formed by the reaction of an aldehyde with a primary amine is
Read answer →Chemistry · PYQ NEET UG 2016(1)
Predict the CORRECT order among the following.
Read answer →Chemistry · PYQ NEET UG 2016(1)
Which of the following statements is INCORRECT?
Read answer →Chemistry · PYQ NEET UG 2016(1)
The CORRECT statement regarding RNA and DNA, is
Read answer →Chemistry · PYQ NEET UG 2016(1)
When copper is heated with conc. \( \text{HNO}_3 \), it produces
Read answer →Chemistry · PYQ NEET UG 2016(1)
The CORRECT thermodynamic conditions for the spontaneous reaction at all temperatures is
Read answer →Chemistry · PYQ NEET UG 2016(1)
Among the following, the CORRECT order of acidity is
Read answer →Chemistry · PYQ NEET UG 2016(1)
The following reaction can be classified as (See image for reaction structure)
Read answer →Chemistry · PYQ NEET UG 2016(1)
In the reaction, \( \mathrm{H-C \equiv C-H} \xrightarrow[ii. \mathrm{CH}_{3}\mathrm{CH}_{2}\mathrm{Br}]{i. \mathrm{NaNH}_{2} / \text{liq. } \mathrm{NH}_{3}} \mathrm{X} \xrightarrow[ii. \mathrm{CH}_{3}\mathrm{CH}_{2}\mathrm{Br}]{i. \mathrm{NaNH}_{2} / \text{liq. } \mathrm{NH}_{3}} \mathrm{Y} \) X and Y are
Read answer →Chemistry · PYQ NEET UG 2016(1)
For the following reactions: Which of the following statements is CORRECT?
Read answer →Chemistry · PYQ NEET UG 2016(1)
Choose the CORRECT statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon atom.
Read answer →Chemistry · PYQ NEET UG 2016(1)
Which of the following statements about the composition of the vapour over an ideal 1 : 1 molar mixture of benzene and toluene is CORRECT? Assume that the temperature is constant at \( 25^\circ\text{C} \). (Given: Vapour pressure data at \( 25^\circ\text{C} \), benzene = \( 12.8\text{ kPa} \), toluene = \( 3.85\text{ kPa} \))
Read answer →Chemistry · PYQ NEET UG 2016(1)
Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escapes in the time required for one-half of the hydrogen to escape?
Read answer →Chemistry · PYQ NEET UG 2016(1)
The CORRECT statement regarding the comparison of staggered and eclipsed conformations of ethane is
Read answer →Chemistry · PYQ NEET UG 2016(1)
