MCQ
Incorrect match is
ppt $\rightarrow$ colour
- A$Fe(OH)_3$ $\rightarrow$ Red brown
- B$Cu_2[Fe(CN)_6]$ $\rightarrow$ Chocolate brown
- ✓$BaSO_4$ $\rightarrow$ Green
- D$ZnS$ $\rightarrow$ Greenish white
✓
Answer
Correct option: C.
$BaSO_4$ $\rightarrow$ Green
c
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
The electronic configuration with the highest ionization enthalpy is
Which of the following species is not aromatic
The enzyme ptylin used for the digestion of food is present in
The structure of product will be
$pH$ of $ 0.1\, M$ solution of a weak acid $ (HA) $ is $4.50. $ It is neutralised with $NaOH$ solution to decrease the acid content to half $pH$ of the resulting solution
→Which of the following has minimum ionization energy
Identify the compound $C$ in the following sequence
→$(CH_3)_2CHCH_2C \equiv N \xrightarrow{HCl,{{H}_{2}}O}$ compound $A \xrightarrow[2.\,{{H}_{2}}O]{1.\,LiAl{{H}_{4}}}$ compound $B \xrightarrow[C{{H}_{2}}C{{l}_{2}}]{PCC}$ compound $C$
Alkyl cyanides when react with Grignard reagent, the product on hydrolysis found, is
For a reaction, $A \rightleftharpoons P$, the plots of $[ A ]$ and $[ P ]$ with time at temperatures $T _1$ and $T _2$ are given below.
→If $T _2> T _1$, the correct statement(s) is (are)
(Assume $\Delta H ^{\ominus}$ and $\Delta S ^{\ominus}$ are independent of temperature and ratio of $\ln K$ at $T _1$ to $\ln K$ at $T_2$ is greater than $T_2 / T_1$. Here $H, S, G$ and $K$ are enthalpy, entropy, Gibbs energy and equillibrium constant, respectively.)
$(A)$ $\Delta H ^{\ominus}<0, \Delta S ^{\ominus}<0$ $(B)$ $\Delta G ^{\ominus}<0, \Delta H ^{\ominus}>0$ $(C)$ $\Delta G ^{\ominus}<0, \Delta S ^{\ominus}<0$ $(D)$ $\Delta G ^{\ominus}<0, \Delta S ^{\ominus}>0$
Consider the following isomers of $[Cr(NH_3)_2 Cl_4]^-$ and answer the questions Out of these isomers
→