A colourless salt gives violet colour to Bunsen flame and also turns moist litmus paper blue. It is

Question

A colourless salt gives violet colour to Bunsen flame and also turns moist litmus paper blue. It is

A colourless salt gives violet colour to Bunsen flame and also turns moist litmus paper blue. It is
A. `Na_(2)CO_(3)`
B. `BaCO_(3)`
C. `Na_(2)CrO_(4)`
D. `K_(2)CO_(3)`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Related Questions

On treated with dilute `H_(2)SO_(4)`, a salt gives a gas whch turns lime water milky. The salt can be

2 Answers 4 Views

A solid element (symbol Y) conducts electricity and forms two chlorides YCln ( a colourless volatile liquid) and `YCln-2` (a colourless solid). To whi

2 Answers 4 Views

Statement : The cathode of electrolytic cell during electrolysis of `NaCl_((aq.))` on additon of little litmus shows a blue colour. Explanation : At c

2 Answers 4 Views

The focal length of a thin convex lens for red and violet colour are `44.6cm` and `42.5cm`. Calculate focal length for the mean colour and dispersive

2 Answers 4 Views

Which of the following cations does not import colour to the flame in flame test ?

2 Answers 4 Views

Which of the following gives green colour to the flame ?

2 Answers 4 Views

A metal X on heating with nitrogen gas gives Y.Y on treatment with `H_(2)O` gives a colourless gas which on passing through `CuSO_(4)` gives blue solu

2 Answers 4 Views

Ozone when reacts with potassium iodide solution liberates certain product, which turns starch paper blue. The liberated substance is `…………….`

2 Answers 4 Views

Colourless salt (A) on heating with NaOH gives gas (B). When reaction of (A) with NaOH was complete, solution obtained on reacting `FeSO_(4)` and conc

2 Answers 4 Views

`KOH+NO_(2)rarr underset("salt")((A))+underset("salt")((B))overset(Delta)(rarr)underset(("colourless"))underset("Gas")(X)+underset("salt")((B))` The h

2 Answers 4 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`K^(+)` ion impart violet colour to the flame

4 views Answered 2023-02-05 15:29