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Chemistry · PYQ NEET UG 2016(1)
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Chemistry · PYQ NEET UG 2016(1)
The rate of a first-order reaction is \( 0.04 \text{ mol L}^{-1}\text{s}^{-1} \) at 10 seconds and \( 0.03 \text{ mol L}^{-1}\text{s}^{-1} \) at 20 seconds after initiation of the reaction. The half-life period of the reaction is ______.
Read answer →Chemistry · PYQ NEET UG 2016(1)
Which of the following is an analgesic?
Read answer →Chemistry · PYQ NEET UG 2016(1)
Which is the CORRECT statement for the given acids?
Read answer →Chemistry · PYQ NEET UG 2016(1)
Match items of Column I with the items of Column II and assign the correct code: Column I Column II i Cyanide process a Ultrapure Ge ii Froth floatation process b Dressing of ZnS iii Electrolytic reduction c Extraction of Al iv Zone refining d Extraction of Au e Purification of Ni
Read answer →Chemistry · PYQ NEET UG 2016(1)
Which one of the following orders is CORRECT for the bond dissociation enthalpy of halogen molecules?
Read answer →Chemistry · PYQ NEET UG 2016(1)
निम्नलिखित में से कौन सा बाइफेनिल ध्रुवण घूर्णक (optically active) है?
Read answer →Chemistry · PYQ NEET UG 2016(1)
At \( 100 °\text{C} \), the vapour pressure of a solution of \( 6.5 \text{ g} \) of a solute in \( 100 \text{ g} \) water is \( 732 \text{ mm} \). If \( K_b = 0.52 \), the boiling point of this solution will be
Read answer →Chemistry · PYQ NEET UG 2016(1)
The pressure of \( \text{H}_2 \) required to make the potential of \( \text{H}_2 \) electrode zero in pure water at \( 298\text{ K} \) is
Read answer →Chemistry · PYQ NEET UG 2016(1)
Which of the following has the longest C - O bond length? (Free C - O bond length in CO is \( 1.128\text{ \AA} \))
Read answer →Chemistry · PYQ NEET UG 2016(1)
Which of the following statements about hydrogen is INCORRECT?
Read answer →Chemistry · PYQ NEET UG 2016(1)
The electronic configurations of Eu (atomic no. 63), Gd (atomic no. 64) and Tb (atomic no. 65) are ______ respectively.
Read answer →Chemistry · PYQ NEET UG 2016(1)
Which one of the following characteristics is associated with adsorption?
Read answer →Chemistry · PYQ NEET UG 2016(1)
In which of the following options the order of arrangement does not agree with the variation of property indicate against it?
Read answer →Chemistry · PYQ NEET UG 2016(1)
Match the compounds given in column-I with the hybridisation and shapes given in column-II and mark the CORRECT option. Column I Column II i \( \mathrm{XeF}_{6} \) a Distorted octahedral ii \( \mathrm{XeO}_{3} \) b Square planar iii \( \mathrm{XeOF}_{4} \) c Pyramidal iv \( \mathrm{XeF}_{4} \) d Square pyramidal
Read answer →Chemistry · PYQ NEET UG 2016(1)
Fog is a colloidal solution of
Read answer →Chemistry · PYQ NEET UG 2016(1)
Two electrons occupying the same orbital are distinguished by
Read answer →Chemistry · PYQ NEET UG 2016(1)
Consider the nitration of benzene using mixed conc. \( \mathrm{H}_2\mathrm{SO}_4 \) and \( \mathrm{HNO}_3 \). If a large amount of \( \mathrm{KHSO}_4 \) is added to the mixture, the rate of nitration will be
Read answer →Chemistry · PYQ NEET UG 2016(1)
Which one given below is a non-reducing sugar?
Read answer →Chemistry · PYQ NEET UG 2016(1)
The product obtained as a result of a reaction of nitrogen with \( \text{CaC}_2 \) is
Read answer →Chemistry · PYQ NEET UG 2016(1)
The pair of electrons in the given carbanion, \( \text{CH}_3\text{C}\equiv\text{C}^- \) is present in which of the following orbitals?
Read answer →Chemistry · PYQ NEET UG 2016(1)
Natural rubber has
Read answer →Chemistry · PYQ NEET UG 2016(1)
Which one of the following statements is CORRECT when \( SO_2 \) is passed through acidified \( K_2Cr_2O_7 \) solution?
Read answer →Chemistry · PYQ NEET UG 2016(1)
