Online TS EAMCET 2019 Test ( Chemistry )

How many of the following species are diamagnetic?

$He_{2}^{+}, H_{2}^{+}, H_{2}^{-}, He$

For the reaction ,

$0.5 C(s)+0.5 CO_{2}(g)\rightleftharpoons CO(g)$

the equilibrium pressure is 12 atm . If CO₂ conversion is 50%  the value  of K_p, in atm is 

Which of the following products are formed on hydrolysis of $NaO_{2}$?

(A)  NaOH   (B) $H_{2}O_{2}$   (C)   $O_{2}$   (D)  $H_{2}O$

$\triangle H^{0}_{f}$ values (in $ kJ mol ^{1}$) for graphite , diamond and $C_{60}$  are respectively

 The freezing point  of solution containing  10 mL  of non-volatile and non-electrolyte liquid " A" in 500 g of water is $-0.413^{0} C$. If $K_{f}$ of water is 1.86 K kg $mol^{-1}$ and the molecular weight of A=60 g $mol^{-1}$, what is the density  of the  solution in g $mL^{-1}$ ?

 (Assume  $\triangle  _{mix}$v=0)

The radius of the $2^{nd}$  orbit of $B^{4+}$ ion is 

Match the following

THe correct statement is 

The boiling point (in K) of cis but-2-ene and dipole moment (in D) of trans but-2-ene  are respectively

The enzyme responsible for the conversion of proteins  to $\alpha-$ amino acids is 

Find the suitable method from the following to prepare primary amines without the loss of carbons

 The maximum number of electrons that can have the set of quantum numbers, n=4, m_l=0  and m_s = 1/2  is

The enthalpy change for freezing of 1 g of water at 1 bar and $0^{0}$ C is 334 J . Calculate the internal energy change in J when 1g of water is converted into ice?

In the Millikan's oil drop method, which of the following force does not act on the oil drop?

The first-order decomposition of $H_{2}O_{2}$ in an appropriate medium is characterised by a rate constant of 0.2303 min^-1 . What is the time  (in min) required to complete 9/10 fraction of the reaction?

Find the reagent that oxidises glucose into saccharic acid?